Jeroen -
read.table is not converting anything. You're confusing
the output you see at yahoo with the contents of the csv file.
two =
readLines("http://ichart.finance.yahoo.com/table.csv?s=GOOG&a=07&b=19&c=2004&d=03&e=16&f=2010&g=d&ignore=.csv";)
two[1:3]
[1] "Date,Open,High,Low,Close,Volume,Adj Close"
[2] "2010-04-15,592.17,597.84,588.29,595.30,6716700,595.30"
[3] "2010-04-14,590.06,592.34,584.01,589.00,3402700,589.00"
This shows that the dates have been faithfully copied from the
csv file with no conversion.
- Phil Spector
Statistical Computing Facility
Department of Statistics
UC Berkeley
spec...@stat.berkeley.edu
On Fri, 16 Apr 2010, Jeroen Ooms wrote:
Yes I know I can manually do it, but I am using it for scripts in which users
upload files. Hence, I don't know what's going to come; I don't know on
before hand whether data will contain Dates, and in which columns they
appear. This is why I was surprised that read.table has some (undocumented)
behavior of converting columns that look like Dates to a different format.
I would like to control this default behavior of the read.table function,
rather than set a type for a specific column of a specific file.
--
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